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Record#

Today I learned the method of receiving variables in the request: get.
The get method is passed through URL parameters, and in the code, request.args is used to access all the variables and their values passed through the URL.
The receiving method still needs to be defined in the route definition: methods=['GET']
There are two differences from post:
1. In the route definition, one method is for post and the other is for get.
2. In the code, one variable is assigned form.request and the other is assigned request.args.
Today's exercise is to pass variables through the URL and display a page in two languages.

CODE#

from flask import Flask, request
app = Flask(__name__)

@app.route('/', methods=["GET"])
def index():
    data = request.args
    if data["lang"].lower() == "en":
        return "Hello English"
    elif data["lang"].lower() == "cn":
        return "你好 中国话"

app.run(host='0.0.0.0', port=81)